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A1642 - Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor

Datasheet Summary

Description

The A1642 is an optimized Hall-effect sensing integrated circuit that provides a user-friendly solution for true zero-speed digital ring-magnet sensing in two-wire applications.

This small package can be easily assembled and used in conjunction with a wide variety of target shapes and sizes.

Features

  • Running mode calibration for continuous optimization.
  • Single chip IC for high reliability.
  • Internal current regulator for 2-wire operation.
  • Precise duty cycle signal over operating temperature range.
  • Large operating air gaps.
  • Automatic Gain Control (AGC) for air gap independent switch points.
  • Automatic Offset Adjustment (AOA) for signal processing optimization.
  • True zero-speed operation.
  • Undervoltage lockout.
  • Wide operating voltage range.
  • W.

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Datasheet preview – A1642

Datasheet Details

Part number A1642
Manufacturer Allegro
File Size 846.70 KB
Description Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor
Datasheet download datasheet A1642 Datasheet
Additional preview pages of the A1642 datasheet.

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Full PDF Text Transcription

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A1642 Two-Wire True Zero-Speed Miniature Differential Peak-Detecting Sensor IC with Continuous Calibration FEATURES AND BENEFITS ▪ Running mode calibration for continuous optimization ▪ Single chip IC for high reliability ▪ Internal current regulator for 2-wire operation ▪ Precise duty cycle signal over operating temperature range ▪ Large operating air gaps ▪ Automatic Gain Control (AGC) for air gap independent switch points ▪ Automatic Offset Adjustment (AOA) for signal processing optimization ▪ True zero-speed operation ▪ Undervoltage lockout ▪ Wide operating voltage range ▪ Wide-lead package suitable for welding external components directly to the package leads or for welding the device to a leadframe.
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